/*
 * @author btapley
 */
package com.ickbook.ui;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author btapley
 */
@WebServlet(name="CSSGridServlet", urlPatterns={"/include/Grid/*"})
public class CSSGridServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/css;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

            String[] paths = request.getPathInfo().split("/");

            String name = paths[4];
            if (name.isEmpty()) {
                return;
            }
            name = name.substring(0, name.lastIndexOf("."));

            String c = paths[1];
            if (c.isEmpty()) {
                return;
            }
            String[] cols = c.split(",");

            String gutterParam = paths[2];
            Integer gutter = (gutterParam.isEmpty()) ? 0 : Integer.parseInt(gutterParam);

            String marginParam = paths[3];
            Integer margin = ((marginParam.isEmpty()) ? 0 : Integer.parseInt(marginParam));

            CSSGrid grid = new CSSGrid(name, cols, gutter, margin);
            out.print(grid.toCSSText(Boolean.TRUE));

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
